FR1244572A - Compositions douées d'un pouvoir directionnel de réflexion - Google Patents

Compositions douées d'un pouvoir directionnel de réflexion

Info

Publication number
FR1244572A
FR1244572A FR809939A FR809939A FR1244572A FR 1244572 A FR1244572 A FR 1244572A FR 809939 A FR809939 A FR 809939A FR 809939 A FR809939 A FR 809939A FR 1244572 A FR1244572 A FR 1244572A
Authority
FR
France
Prior art keywords
reflection
directional power
compositions endowed
endowed
compositions
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR809939A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of FR1244572A publication Critical patent/FR1244572A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR809939A 1958-11-14 1959-11-12 Compositions douées d'un pouvoir directionnel de réflexion Expired FR1244572A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1244572XA 1958-11-14 1958-11-14

Publications (1)

Publication Number Publication Date
FR1244572A true FR1244572A (fr) 1960-10-28

Family

ID=22414995

Family Applications (1)

Application Number Title Priority Date Filing Date
FR809939A Expired FR1244572A (fr) 1958-11-14 1959-11-12 Compositions douées d'un pouvoir directionnel de réflexion

Country Status (1)

Country Link
FR (1) FR1244572A (fr)

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